OM608 vs M112/M113
Side-by-side reliability comparison
Higher reliability score
M112/M113
BEST
92/100
+20 points over OM608
0
/ 100
ACCEPTABLE
OM608
Mercedes-Benz
0
/ 100
BEST
M112/M113
Mercedes-Benz
Specifications
OM608
M112/M113
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
72
92
Years
2018--present
1997--2006
Displacement
1461 cc
3199 cc
Layout
I4
V6
Type
Diesel
Petrol Na
Power
116 hp
218--306 hp
Known Issues
1
3
Total Risk Cost
€300--€600
€950--€2,850
Character
OM608
"W177 A-Class, W247 B-Class. Renault K9K sourced and rebadged. Same proven diesel. DPF standard. Timing belt (same K9K belt concerns). Well-understood engine under a Mercedes badge."
M112/M113
"Last simple MB V6/V8. Over-engineered. Cheap to maintain. 250k+ km."
Issues Comparison
OM608 1
▲ HIGH
Timing belt (K9K heritage)
M112/M113 3
● MODERATE
Air suspension / Airmatic failure (S/ML models)
○ MINOR
Spark plugs + ignition coils (V6/V8)
○ MINOR
Coolant system: thermostat + expansion tank